Fair Value Measurements - Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial assets
Cash and cash equivalents	$ 241,054	$ 470,456
Available for sale	47,359	74,892
Held to maturity	97,704	28,216
Loans, net	1,524,759	1,353,888
Accrued interest receivable	6,628	5,713
Financial liabilities
Deposits	1,709,453	1,680,081
Other borrowings	100,000	106,387
Subordinated debt	51,564	56,092
Accrued interest payable	457	859
Carrying Amount [Member]
Financial assets
Cash and cash equivalents	241,054	470,456
Available for sale	47,359	74,892
Held to maturity	110,172	28,386
Loans, net	1,573,248	1,364,256
Accrued interest receivable	6,628	5,713
Financial liabilities
Deposits	1,709,078	1,680,138
Other borrowings	100,000	106,387
Subordinated debt	54,117	54,028
Accrued interest payable	457	859
Level 1 [Member]
Financial assets
Cash and cash equivalents	241,054	470,456
Financial liabilities
Deposits	1,391,143	1,525,935
Level 2 [Member]
Financial assets
Available for sale	47,359	67,981
Held to maturity	89,069	22,632
Accrued interest receivable	851	633
Financial liabilities
Deposits	318,310	154,146
Accrued interest payable	355	42
Level 3 [Member]
Financial assets
Available for sale		6,911
Held to maturity	8,635	5,584
Loans, net	1,524,759	1,353,888
Accrued interest receivable	5,777	5,080
Financial liabilities
Other borrowings	100,000	106,387
Subordinated debt	51,564	56,092
Accrued interest payable	$ 102	$ 817